Got a CD32 for repair. No boot, just grey screen. Common problem Most common problem with non booting CD32’s is U14, the voltage detector. I replaced U14 with one from a scrapboard, after that turned on the machine. And now.. We have visuals.. So machine can be refurbished. Read more about the voltage detector.. Chemtrail […]
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A1200 recapping by its owner went wrong
I got an Amiga 1200 that has been recapped by its owner. After recapping the machine didn’t boot anymore, it had some contractions with the diagrom, but that lasted no more then 15-30 seconds.. after that nothing is responding anymore. Too fast to work.. I managed to start the IRQ & CIA timing test, if […]
Amiga 4000 – already recapped, but no proper cleaning..
I got an Amiga 4000 to do the short fix for a ZZ9000 and some audio problems. More information about ZZ9000 short fix.. Can we call it audio? Lets see what the problem is with the audio area.. I use a 500Hz test frequency, and that doesn’t look good.. missing bottom.. hmm.. lets see.. Both […]
Polivoks repair
This article is about a repair I did back in 2014 on a Polivoks (Polivox) synthesizer. I came across some files on my harddrive about it, and I want to share it so maybe other people can use it that are facing the problem(s). Sadly I don’t have (or make) all pictures I made during […]
Alesis SR-16 – Not working
Got a Alesis SR-16 Drum computer from a friend of mine. The machine didn’t work, it only show 8 blocks on the display. Revision: Rev D p/n: 9-40-1034 Let’s find the problem First I tested the voltage regulators VR1 (7805) and VR5 (7905), they both outputing the right voltage levels (5V and -5V). Next […]